Apple Inc. (NASDAQ:AAPL) is hiring people for its machine learning and artificial intelligence departments, reports MacRumors. As first reported by Reuters,the tech giant is looking to ensure that its personal digital assistant Siri is smart enough to compete against rival services, especially Google Now. Moreover, the release of iOS 9 will introduce “Proactive” search, which will allow Siri to be conscious about its surroundings and provide results accordingly. According to Reuters, Apple looks to hire 86 more people with expertise in machine learning and artificial intelligence. This shows Apple’s intention to enter into the smart personal digital assistance race to compete against the likes of Amazon.com, Inc. (NASDAQ:AMZN), Google Inc. (NASDAQ:GOOG), and Facebook Inc’s (NASDAQ:FB) recently launched “M.” Moreover, Apple’s media event on September 9 will focus on Siri and…